Popular Mystery TV Shows on The Roku Channel

Ancient Aliens

2010

Ancient Aliens

2010
6.8
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.
Dexter

2006

Dexter

2006
8.2
Dexter Morgan, a blood spatter pattern analyst for the Miami Metro Police also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of justice.
Murdoch Mysteries

2008

Murdoch Mysteries

2008
7.7
A Victorian-era Toronto detective uses then-cutting edge forensic techniques to solve crimes, with the assistance of a female coroner who is also struggling for recognition in the face of tradition, based on the books by Maureen Jennings.
Dark Winds

2022

Dark Winds

2022
7.5
This psychological thriller follows two Navajo police officers, Leaphorn and Chee, in the 1970s Southwest as their search for clues in a grisly double murder case forces them to challenge their own spiritual beliefs and come to terms with the trauma of their pasts.
Midsomer Murders

1997

Midsomer Murders

1997
7.5
The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.
Magnum, P.I.

1980

Magnum, P.I.

1980
7.2
A private investigator who works when he wants, lives in a beachfront estate in Hawaii, drives a posh Ferrari, runs up an unlimited tab at a swank bar, and charms attractive women in peril - that's the lifestyle of Thomas Magnum, aka Magnum, P.I.
History's Greatest Mysteries

2020

History's Greatest Mysteries

2020
7.4
Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as never-before-released documents, personal diaries and DNA evidence.
Charmed

1998

Charmed

1998
8.2
Three sisters (Prue, Piper and Phoebe) reunite and unlock their powers to become the Charmed Ones, the most powerful good witches of all time, whose prophesied destiny is to protect innocent lives from evil beings such as demons and warlocks. Each sister possesses unique magical powers that grow and evolve, while they attempt to maintain normal lives in modern day San Francisco.
Agatha Christie's Poirot

1989

Agatha Christie's Poirot

1989
8.1
From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.
The Saint

1962

The Saint

1962
7.3
Simon Templar is The Saint, a handsome, sophisticated, debonair, modern-day Robin Hood who recovers ill-gotten wealth and redistributes it to those in need.
Grimm

2011

Grimm

2011
8.3
After Portland homicide detective Nick Burkhardt discovers he's descended from an elite line of criminal profilers known as "Grimms," he increasingly finds his responsibilities as a detective at odds with his new responsibilities as a Grimm.
Second chance

2005

Second chance

2005
7.6
El cuerpo del Deseo also known as Second Chance is a Spanish-language telenovela produced by Telemundo and Film in Florida. This limited-run series is about a man who comes back from the dead and discovers dark secrets about his beautiful widow. The first version of El cuerpo del Deseo was En Cuerpo Ajeno produced by RTI Colombia in 1992.This telenovela was aired in 25 countries around the world.
Buzzfeed Unsolved: True Crime

2016

Buzzfeed Unsolved: True Crime

2016
8
Hosts Ryan & Shane discuss mysteries surrounding notorious unsolved crimes.
Cold Case Files

2017

Cold Case Files

2017
7.8
There are over 100,000 cold cases in America, and only about 1% are ever solved. With recent advancements in technology and the methods used to solve these cases, as well as the unwavering dedication of victims’ families, law enforcement and the public, “Cold Case Files” explores the cases that defied the odds. Each episode of the Emmy-nominated series examines the twists and turns of one murder case that remained unsolved for years, and the critical element that heated it up, leading to the evidence that finally solved it. Featuring interviews with family members, friends, detectives, and others close to the cases, the refreshed classic series examines all facets of the crime and shines a light on a range of voices and victims.
The Rockford Files

1974

The Rockford Files

1974
7.5
Cranky but likable L.A. PI Jim Rockford pulls no punches (but takes plenty of them). An ex-con sent to the slammer for a crime he didn't commit, Rockford takes on cases others don't want, aided by his tough old man, his lawyer girlfriend and some shady associates from his past.
Behind Closed Doors

2011

Behind Closed Doors

2011
7.2
Two powerful families are caught in the web of slander, money, sex, and murder that they both built.
Vera

2011

Vera

2011
7.4
A sharp detective with a messy life, DCI Vera Stanhope patrols her “patch” of northeast England, pursuing the truth in cases of murder, kidnapping, and blackmail. Vera is obsessive about her work and faces the world with caustic wit, guile and courage.
Haven

2010

Haven

2010
7.5
FBI agent Audrey Parker arrives in the small town of Haven, Maine to solve a murder and soon discovers the town's many secrets—which also hold the key to unlocking the mysteries of her lost past.
Unsolved Mysteries

1988

Unsolved Mysteries

1988
7.8
Combines four to five segments of dramatic re-enactments, interviews and updates of real human and paranormal mysteries. An audience interactive call-to-action request allowed viewers to call in with tips to help solve the cases.
Agatha Christie's Marple

2004

Agatha Christie's Marple

2004
7.6
The adventures of Miss Jane Marple, an elderly spinster living in the quiet little village of St Mary Mead. During her many visits to friends and relatives in other villages, Miss Marple often stumbles upon mysterious murders which she helps solve. Although the police are sometimes reluctant to accept Miss Marple's help, her reputation and unparalleled powers of observation eventually win them over.